US2570534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerodynamic trim means
Assignee: Curtiss Wright Corp
•
Filing: 1946-11-29
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Granted: 1951-10-09
•
Expires: 1966-11-29
Abstract
No abstract record available.
Inventors
- 👤 Erny Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:58
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/16; B64C13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2262968A
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US2222975A
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US2279615A
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US2189553A
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US2296117A
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US2371699A
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US2362919A
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US2425306A
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US2431536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |